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Filtering/QoS Information
GR2K-GA-0014 1-199
Ver. 07-02
Hatching part is RFC’s recommended value.
Table 1-99 Mapping of TOS Value and Output/Queuing Priority Class
Output/
Queuing
Priority Class
Discard4 Discard3 Discard2 Discard1
priority8 High
priority
priority7
↑
priority6 101110
184
priority5 100010 100100 100110
136 144 152
priority4 011010 011100 011110
104 112 120
priority3 010010 010100 010110
72 80 88
priority2 001010 001100 001110
40 48 56
↓
priority1 000000 Low
0priority
Low drop
←→High drop
*
Note: In output priority control, the packet with bigger priority is sent out by priority. In
queuing priority, the one with smaller value is discarded by priority.
Legend: DSCP value (Binary)
DSCP value (Decimal)
Hatched value is the RFC’s recommended value:
EF’s recommended value Best Effort’s recommended value
AF’s recommended value Random code point